is a Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

ese corporation dealing in petroleum

Petroleum

Petroleum or crude oil is a naturally occurring, flammable liquid consisting of a complex mixture of hydrocarbons of various molecular weights and other liquid organic compounds, that are found in geologic formations beneath the Earth's surface. Petroleum is recovered mostly through oil drilling...

 products, aviation

Aviation

Aviation is the design, development, production, operation, and use of aircraft, especially heavier-than-air aircraft. Aviation is derived from avis, the Latin word for bird.-History:...

 fuel storage and related services. Established in 1952, San-Ai has a capitalization of 10.1 billion yen

Japanese yen

The is the official currency of Japan. It is the third most traded currency in the foreign exchange market after the United States dollar and the euro. It is also widely used as a reserve currency after the U.S. dollar, the euro and the pound sterling...

. It is a member of the Ricoh San-Ai Group. Its headquarters are in Shinagawa, Tokyo

Shinagawa, Tokyo

is one of the 23 special wards of Tokyo, Japan. In English, it is called Shinagawa City. The ward is home to nine embassies.As of 2008, the ward has an estimated population of 344,461 and a density of 15,740 persons per km². The total area is 22.72 km²....

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In December 2004, San-Ai purchased Kygnus Oil from Tonen General Sekiyu and Nichimo, which each owned 50% of Kygnus.